OpenTechnical

OT-2026-000033553

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000033553) never changes.

Identity and time

Publication numberOT-2026-000033553 · never reused
Internal UUID01a0ae75-a38e-794d-984a-c7004222c5b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033553
StatusPUBLIC

Content hashes

Canonical text1fff6f110c0eea14f2d6e8493c895f2fae875ceb30edc7d45d0ca5e36ba2442f
Markdown73b068b1112a863f3c760d086c52ff4be2b4017710911f4646a78f57328a9aa6
PDF
Publication page0d523e94386e81a64a142f493887fc52e9d87709193f0d4fd98060b38fd96496
Manifest832b1f4be3c7fd37283082e2f41951a137f70fff0beef818778cd6b5c52811d9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturewXjjrSre8QNXJ4bPJHwfagy4wnhwGVsPXkav42qQUPwbfnHjyk1tjqN0s7/oJ5+hFJP2ej8rHqT8lKbVh4JBDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:25.089005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033553
observed 0d523e94386e81a64a142f493887fc52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.072411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033553/manifest.json
observed 832b1f4be3c7fd37283082e2f41951a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.056082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033553/publication.md
observed 73b068b1112a863f3c760d086c52ff4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.039424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033553/publication.txt
observed 1fff6f110c0eea14f2d6e8493c895f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.